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High temperature resistant reflective painting, preparation method thereof and reflector

A technology of reflective paint and high temperature resistance, applied in the field of paint, can solve the problems of no reflection, yellowing of paint, decrease in reflectivity, etc., and achieve the effects of high reflectivity, good adhesion and simple preparation process

Inactive Publication Date: 2010-12-22
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of paint can only be used in an environment below 80°C. If the temperature is higher than this temperature, the diffuse reflection paint will be obviously yellowed or even burnt, and the reflectivity will be severely reduced or even have no reflective effect.
In addition, due to the influence of ultraviolet radiation, the aging resistance of diffuse reflective coatings is not good

Method used

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  • High temperature resistant reflective painting, preparation method thereof and reflector
  • High temperature resistant reflective painting, preparation method thereof and reflector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] (1) Prepare a 2000ml large beaker so that there is no water, no dust and no impurities in the beaker;

[0056] (2) First pour 300g of "Taiwan Zhenxiong" CT-882 (acrylic resin varnish) varnish into the prepared beaker, then add 600g of analytically pure 99% ZnO into it, and stir for 3 to 5 minutes;

[0057] (3) Add 30g of dispersant and stir thoroughly for 5-10 minutes until the material is uniform in white and there are no obvious granular objects on the stirrer.

[0058] (4) Add 30g of defoamer, 20g of leveling agent, and 20g of thickener, and stir thoroughly for 20 to 30 minutes until all materials are mixed evenly.

[0059] Among them: analytically pure ZnO is produced by Tianjin Fuchen Chemical Reagent Factory, leveling agent, thickener, defoamer and dispersant are polyurethane leveling agent Rm-2020, associative thickener produced by Guangzhou Guanzhi Chemical Co., Ltd. Thickener TT-935, defoamer BEF-760 and dispersant CF-10.

[0060] The physical properties of t...

Embodiment 2

[0072] (1) Prepare a 2000ml large beaker so that there is no water, no dust and no impurities in the beaker;

[0073] (2) First pour 300g of "Taiwan Zhenxiong" CT-882 (acrylic resin varnish) varnish into the prepared beaker, then add 500g of analytically pure 99% ZnO into it, and stir for 3 to 5 minutes;

[0074] (3) Add 60g of dispersant and stir thoroughly for 5-10 minutes until the material is white and uniform, and there are no obvious granular objects on the stirrer.

[0075] (4) Add 60g of defoamer, 40g of leveling agent, and 40g of thickener, and stir thoroughly for 20 to 30 minutes until all materials are evenly mixed.

[0076] Among them: analytically pure ZnO is produced by Tianjin Fuchen Chemical Reagent Factory, leveling agent, thickener, defoamer and dispersant are polyurethane leveling agent Rm-2020, associative thickener produced by Guangzhou Guanzhi Chemical Co., Ltd. Thickener TT-935, defoamer BEF-760 and dispersant CF-10.

Embodiment 3

[0078] (1) Prepare a 2000ml large beaker so that there is no water, no dust and no impurities in the beaker;

[0079] (2) First pour 300g of "Taiwan Zhenxiong" CT-882 (acrylic resin varnish) varnish into the prepared beaker, then add 640g of analytically pure 99% ZnO into it, and stir for 3 to 5 minutes;

[0080] (3) Add 20g of dispersant and stir thoroughly for 5-10 minutes until the material is uniform in white and there are no obvious granular objects on the stirrer.

[0081] (4) Add 20g of defoamer, 10g of leveling agent, and 10g of thickener, and stir thoroughly for 20 to 30 minutes until all materials are mixed evenly.

[0082] Among them: analytically pure ZnO is produced by Tianjin Fuchen Chemical Reagent Factory, leveling agent, thickener, defoamer and dispersant are polyurethane leveling agent Rm-2020, associative thickener produced by Guangzhou Guanzhi Chemical Co., Ltd. Thickener TT-935, defoamer BEF-760 and dispersant CF-10.

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Abstract

The invention is suitable for the painting technical field, and provides a high temperature resistant reflective painting and a preparation method thereof. The high temperature resistant reflective painting is composed of the following components in parts by weight: 25-80 parts of acrylic-based resin varnish, 19-60 parts of nanometer metal oxide, 0.5-6 parts of defoamer and 0.5-6 parts of dispersing agent. The high temperature resistant reflective painting provided by the invention not only can resist the high temperature over 120 DEG C, can maintain higher reflection rate after being at the high temperature for 24 hours, but also has a simple preparation process, can be coated on the aluminium-alloy reflectors of all classes of diffuse reflection lamps, and is especially applied on the lamps which require the resistant temperature to be over 150 DEG C.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a novel high-temperature-resistant reflective coating, a preparation method thereof and a reflector. Background technique [0002] The current reflective coatings are mostly used for road reflective sign coatings and indoor temperature-reducing coatings, and their temperature resistance is mostly around 80°C; there are also some companies that have developed reflective mirrors for integrating spheres, reflective spectrophotometers, and display backlights. Reflective coatings (such as Lanfei Optical), but their temperature resistance does not exceed 100°C. The reflective paint coatings currently available on the market that can be used as reflectors for lamps are generally poor in temperature resistance, and can rarely pass through a temperature-resistant environment of 120°C and 24hrs without changing color and still maintain a high reflectivity. [0003] The existi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D5/33G02B5/12
Inventor 周明杰王省伟熊慧珺
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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